Delavan
Minnesota — Community Water System — PWSID: MN1220003
System Information
| PWSID | MN1220003 |
| System Name | Delavan |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 24, 1981 |
| Last Reported | Nov 25, 2025 |
Location & Contact
| State | Minnesota |
| City | Delavan |
| ZIP Code | 56023-0156 |
| Address | Delavan City Hall |
| Organization | Delavan City Council |
| Phone | 5078543085 |
Population & Service
| Population Served | 171 |
| Service Connections | 109 |
Drinking Water Violations (23)
This water system has 23 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| Oct 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 1, 2001 | Total Coliform Rule |
| Oct 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 1, 2001 | Total Coliform Rule |
| Oct 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 1, 2001 | Total Coliform Rule |
| Oct 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 1, 2001 | Total Coliform Rule |
| Oct 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 1, 2001 | Total Coliform Rule |
| Oct 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 1, 2001 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1997 | Total Coliform Rule |
| Oct 1, 1997 | Dec 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1997 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.